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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Lower Unit Gear Lube Drain And Fill Hole Screw And Seal 79953Q04 Used With 3/8 - 16 Drain/Fill Hole Screw On All Mercruiser Stern Drives, Mercury And Mariner Outboards *Except The Verado Series. * Helps Prevent Gear Lube From Leaking Out And Water From Seeping In To The Gear Case Causing Serious Damage. This Is The Non-Magnetic Plug Screw Version.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What material is used for the marine drain plug screw kits?A: The drain plug screw kits are made of stainless steel. This material is known for its durability and resistance to corrosion, making it ideal for marine applications.
Q: What are the dimensions of the screws in this kit?A: The screws in this kit are designed for a three eighths by sixteen inch drain and fill hole. This size ensures compatibility with various MerCruiser stern drives and Mercury outboards.
Q: How many screws and seals are included in the kit?A: The kit includes two screws and two seals. This allows for a complete replacement of the drain and fill hole components.
Q: How do I install these drain plug screws?A: To install, first remove the old screws, then insert the new screws into the drain and fill holes. Tighten them securely to prevent leaks.
Q: Are these screws compatible with all Mercury outboards?A: No, these screws are not compatible with the Verado series of Mercury outboards. They are suitable for most other MerCruiser stern drives and Mercury outboards.
Q: What is the purpose of the seals included in the kit?A: The seals help prevent gear lube from leaking out and water from entering the gear case. This is crucial to avoid serious damage to the marine engine.
Q: How do I maintain these screw kits?A: To maintain the screw kits, regularly check for tightness and inspect for any signs of corrosion. Clean any debris around the screws to ensure a proper seal.
Q: Is it safe to use these screws in saltwater environments?A: Yes, stainless steel is suitable for saltwater environments. However, regular maintenance is essential to prevent corrosion over time.
Q: How should I store these screws when not in use?A: Store the screws in a dry, clean place to prevent rust or corrosion. Keeping them in a sealed container can help maintain their condition.
Q: Can I use these screws for other marine applications?A: These screws are specifically designed for MerCruiser and compatible Mercury outboards. Using them for other applications may not ensure a proper fit.
Q: What if I receive damaged screws in my order?A: If you receive damaged screws, please contact customer support for a replacement. They will assist you with the return and replacement process.
Q: Do these screws come with any warranty?A: Yes, the screws typically come with a manufacturer's warranty. Please refer to the packaging or product details for specific warranty information.
Q: Are these screws easy to install for beginners?A: Yes, these screws can be installed easily by beginners with basic tools. Following the included instructions will help ensure a successful installation.
Q: Can I replace just one screw, or do I need to replace both?A: You can replace just one screw if needed, but it is recommended to replace both for a complete seal and optimal performance.
Q: What is the function of the non-magnetic design of the screws?A: The non-magnetic design helps prevent interference with marine electronics and reduces the risk of attracting unwanted debris in the water.
Q: Can these screws be reused after removal?A: While the screws can be reused, it is best to inspect them for wear or damage. Replacing them ensures the best performance and seal.